X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=osdep.h;h=ffbf221d7f540f3aaf2f93a3e77d6032931c77b6;hb=HEAD;hp=f1d18202b07948d133c1f7658c869857250db9ce;hpb=d2bfb39ad220a6431e366bdff72353b09f60e3db;p=qemu diff --git a/osdep.h b/osdep.h index f1d1820..ffbf221 100644 --- a/osdep.h +++ b/osdep.h @@ -2,49 +2,96 @@ #define QEMU_OSDEP_H #include +#ifdef __OpenBSD__ +#include +#include +#endif -int qemu_vsnprintf(char *buf, int buflen, const char *fmt, va_list args); -void qemu_vprintf(const char *fmt, va_list ap); -void qemu_printf(const char *fmt, ...); +#ifndef _WIN32 +#include +#endif -void *qemu_malloc(size_t size); -void *qemu_mallocz(size_t size); -void qemu_free(void *ptr); -char *qemu_strdup(const char *str); +#ifndef glue +#define xglue(x, y) x ## y +#define glue(x, y) xglue(x, y) +#define stringify(s) tostring(s) +#define tostring(s) #s +#endif -void *get_mmap_addr(unsigned long size); +#ifndef likely +#if __GNUC__ < 3 +#define __builtin_expect(x, n) (x) +#endif -/* specific kludges for OS compatibility (should be moved elsewhere) */ -#if defined(__i386__) && !defined(CONFIG_SOFTMMU) && !defined(CONFIG_USER_ONLY) +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) +#endif -/* disabled pthread version of longjmp which prevent us from using an - alternative signal stack */ -extern void __longjmp(jmp_buf env, int val); -#define longjmp __longjmp +#ifndef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER) +#endif +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof(((type *) 0)->member) *__mptr = (ptr); \ + (type *) ((char *) __mptr - offsetof(type, member));}) +#endif -#include +#ifndef MIN +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) +#endif +#ifndef MAX +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) +#endif -/* NOTE: it works only because the glibc sigset_t is >= kernel sigset_t */ -struct qemu_sigaction { - union { - void (*_sa_handler)(int); - void (*_sa_sigaction)(int, struct siginfo *, void *); - } _u; - unsigned long sa_flags; - void (*sa_restorer)(void); - sigset_t sa_mask; /* mask last for extensibility */ -}; +#ifndef ARRAY_SIZE +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#endif -int qemu_sigaction(int signum, const struct qemu_sigaction *act, - struct qemu_sigaction *oldact); +#ifndef always_inline +#if (__GNUC__ < 3) || defined(__APPLE__) +#define always_inline inline +#else +#define always_inline __attribute__ (( always_inline )) __inline__ +#ifdef __OPTIMIZE__ +#define inline always_inline +#endif +#endif +#else +#define inline always_inline +#endif + +#ifdef __i386__ +#define REGPARM __attribute((regparm(3))) +#else +#define REGPARM +#endif -#undef sigaction -#undef sa_handler -#undef sa_sigaction -#define sigaction qemu_sigaction -#define sa_handler _u._sa_handler -#define sa_sigaction _u._sa_sigaction +#define qemu_printf printf +#if defined (__GNUC__) && defined (__GNUC_MINOR__) +# define QEMU_GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else +# define QEMU_GNUC_PREREQ(maj, min) 0 #endif +void *qemu_memalign(size_t alignment, size_t size); +void *qemu_vmalloc(size_t size); +void qemu_vfree(void *ptr); + +int qemu_create_pidfile(const char *filename); + +#ifdef _WIN32 +int ffs(int i); + +typedef struct { + long tv_sec; + long tv_usec; +} qemu_timeval; +int qemu_gettimeofday(qemu_timeval *tp); +#else +typedef struct timeval qemu_timeval; +#define qemu_gettimeofday(tp) gettimeofday(tp, NULL); +#endif /* !_WIN32 */ + #endif